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Condylar Resorption After Orthognathic Surgery.

Constantinus Politis1,2, Gaétan Van De Vyvere3, Jimoh Olubanwo Agbaje1,2

  • 1OMFS-IMPATH Research Group, Department of Imaging and Pathology, Faculty of Medicine, Katholieke Universiteit Leuven.

The Journal of Craniofacial Surgery
|October 26, 2018
PubMed
Summary
This summary is machine-generated.

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Postoperative bilateral condylar resorption after orthognathic surgery is rare (<1%). Most cases can be managed conservatively, with surgical intervention reserved for skeletal relapse requiring upper jaw orthognathic surgery.

Area of Science:

  • Oral and Maxillofacial Surgery
  • Orthodontics
  • Temporomandibular Joint Disorders

Background:

  • Orthognathic surgery, particularly sagittal split osteotomy, can lead to rare complications.
  • Bilateral condylar resorption is an uncommon postoperative complication affecting the temporomandibular joint (TMJ).

Purpose of the Study:

  • To evaluate conservative treatment outcomes for bilateral condylar resorption following orthognathic surgery.
  • To determine management strategies for TMJ symptoms and skeletal relapse associated with condylar resorption.

Main Methods:

  • Retrospective study of 730 patients undergoing sagittal split osteotomy (2013-2016).
  • Analysis of clinical and radiographic findings in patients with postoperative bilateral condylar resorption.
  • Exclusion of syndromic patients and those with juvenile rheumatoid arthritis.

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Main Results:

  • Six patients (0.82%) developed bilateral condylar resorption requiring treatment, without TMJ surgery.
  • Five patients with TMJ symptoms were successfully managed with conservative therapy.
  • Two patients with skeletal relapse underwent successful orthognathic surgery to correct open bite.

Conclusions:

  • Conservative management is effective for TMJ symptoms resulting from bilateral condylar resorption.
  • Orthognathic surgery in the upper jaw is a viable option for skeletal relapse, contingent on overjet.
  • Bilateral condylar resorption post-orthognathic surgery is infrequent but manageable with tailored approaches.